The USDA’s Animal and Plant Health Inspection Service is proposing to use pesticides to treat nearly 2 million acres around the Grand Canyon, saying an infestation of rangeland grasshoppers and Mormon crickets may happen.That would include land that is within the nearby Vermilion Cliffs and the Grand Canyon-Parashant and the Baaj Nwaavjo I’tah Kukveni – Ancestral Footprints of